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Create a local escapeArgument() for Symfony 4 compatibility.

pull/6788/head
Gawain Lynch 2017-11-06 16:28:50 +01:00
parent 3a491a9b34
commit 8b42aed060
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GPG Key ID: 508C10F858FD246E
1 changed files with 55 additions and 2 deletions
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55
src/Composer/Util/ProcessExecutor.php
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@ -12,9 +12,9 @@
namespace Composer\Util;
use Composer\IO\IOInterface;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\ProcessUtils;
use Composer\IO\IOInterface;
/**
* @author Robert Schönthal <seroscho@googlemail.com>
@ -131,6 +131,59 @@ class ProcessExecutor
*/
public static function escape($argument)
{
if (method_exists('Symfony\Component\Process\ProcessUtils', 'escapeArgument')) {
return ProcessUtils::escapeArgument($argument);
}
return self::escapeArgument($argument);
}
/**
* Copy of ProcessUtils::escapeArgument() that is removed in Symfony 4.
*
* @param string $argument
*
* @return string
*/
private static function escapeArgument($argument)
{
//Fix for PHP bug #43784 escapeshellarg removes % from given string
//Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
//@see https://bugs.php.net/bug.php?id=43784
//@see https://bugs.php.net/bug.php?id=49446
if ('\\' === DIRECTORY_SEPARATOR) {
if ('' === $argument) {
return escapeshellarg($argument);
}
$escapedArgument = '';
$quote = false;
foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
if ('"' === $part) {
$escapedArgument .= '\\"';
} elseif (self::isSurroundedBy($part, '%')) {
// Avoid environment variable expansion
$escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
} else {
// escape trailing backslash
if ('\\' === substr($part, -1)) {
$part .= '\\';
}
$quote = true;
$escapedArgument .= $part;
}
}
if ($quote) {
$escapedArgument = '"'.$escapedArgument.'"';
}
return $escapedArgument;
}
return "'".str_replace("'", "'\\''", $argument)."'";
}
private static function isSurroundedBy($arg, $char)
{
return 2 < strlen($arg) && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
}
}